GSK's Early Link-Up with Abbott for an Immunotherapy Companion Diagnostic

GSK's first immunotherapy is still 4-5 years away, but it is already commissioning a companion diagnostic for it. By striking a deal with Abbott for a commercial screening test this early, the pharma may be laying the groundwork to address any regulatory concerns around using the test to enrich its clinical trials populations, which could allow for lower numbers of patients to be enrolled in order to prove efficacy.